<template>
  <div class="container">
    <div class="box">
      <img src="../../../public/bookya.png" class="logo" />
      <h1>{{ systemTitle }}</h1>
      <el-form class="form">
        <el-input
          size="large"
          v-model="form.name"
          placeholder="用户名"
          type="text"
          maxlength="50"
        >
          <template #prepend>
            <i class="sfont system-xingmingyonghumingnicheng"></i>
          </template>
        </el-input>
        <el-input
          size="large"
          ref="password"
          v-model="form.password"
          :type="passwordType"
          placeholder="密码"
          name="password"
          maxlength="50"
        >
          <template #prepend>
            <i class="sfont system-mima"></i>
          </template>
          <template #append>
            <i
              class="sfont password-icon"
              :class="passwordType ? 'system-yanjing-guan' : 'system-yanjing'"
              @click="passwordTypeChange"
            ></i>
          </template>
        </el-input>
        <el-button
          type="primary"
          @click="submit"
          style="width: 100%"
          size="medium"
          >登录</el-button
        >
      </el-form>
    </div>
  </div>
</template>

<script>
import { systemTitle } from "@/config";
import { defineComponent, ref, reactive } from "vue";
import { useStore } from "vuex";
import { useRouter, useRoute } from "vue-router";
import { addRoutes } from "@/router";
import { ElMessage } from "element-plus";
export default defineComponent({
  setup() {
    const store = useStore();
    const router = useRouter();
    const route = useRoute();
    const form = reactive({
      name: "admin",
      password: "123456",
    });
    const passwordType = ref("password");
    const passwordTypeChange = () => {
      passwordType.value === ""
        ? (passwordType.value = "password")
        : (passwordType.value = "");
    };
    const checkForm = () => {
      return new Promise((resolve, reject) => {
        if (form.name === "") {
          ElMessage.warning({
            message: "用户名不能为空",
            type: "warning",
          });
          return;
        }
        if (form.password === "") {
          ElMessage.warning({
            message: "密码不能为空",
            type: "warning",
          });
          return;
        }
        resolve(true);
      });
    };
    const submit = () => {
      checkForm().then(() => {
        let params = {
          name: form.name,
          password: form.password,
        };
        store.dispatch("user/login", params).then(() => {
          ElMessage.success({
            message: "登录成功",
            type: "success",
            showClose: true,
            duration: 1000,
          });
          addRoutes();
          router.push(route.query.redirect || "/");
        });
      });
    };
    return {
      systemTitle,
      form,
      passwordType,
      passwordTypeChange,
      submit,
    };
  },
});
</script>

<style lang="scss" scoped>
.container {
  position: relative;
  width: 100vw;
  height: 100vh;
  background-color: #eef0f3;
  .box {
    width: 500px;
    position: absolute;
    left: 50%;
    top: 50%;
    background: white;
    border-radius: 8px;
    transform: translate(-50%, -50%);
    height: 440px;
    overflow: hidden;
    box-shadow: 0 6px 20px 5px rgba(152, 152, 152, 0.1),
      0 16px 24px 2px rgba(117, 117, 117, 0.14);
    .logo {
      width: 50%;
      margin-top: 20px;
    }
    h1 {
      margin-top: 10px;
      text-align: center;
    }
    .form {
      width: 80%;
      margin: 50px auto 15px;
      .el-input {
        margin-bottom: 20px;
      }
      .password-icon {
        cursor: pointer;
        color: #409eff;
      }
    }
    .fixed-top-right {
      position: absolute;
      top: 10px;
      right: 10px;
    }
  }
}
@media screen and (max-width: 750px) {
  .container .box {
    width: 100vw;
    height: 100vh;
    box-shadow: none;
    left: 0;
    top: 0;
    transform: none;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    h1 {
      margin-top: 0;
    }
    .form {
    }
  }
}
</style>